How do disposable e-cigarettes work?

As a non-smoker, I cannot assess their advantages over ordinary cigarettes, I can only assume that the matter is, perhaps, in the ratio of price and quality, convenience and the prospect of "long-term" use. But by chance a completely used cigarette came to my desk and I wondered what was inside it, namely what was used as a source of energy and how the evaporator was activated.

Most cigarettes are easy to disassemble: the body consists of two or three parts, inserted into each other and held by frictional forces. No glue or soldering is used. We take a knife, pliers or any other convenient tool, pry off the lower part and pull it out.

All cigarettes at Elf Bar are arranged in approximately the same way: a battery, a microphone, a control chip with an indication and a material impregnated with an active substance.

Battery

Cigarettes use a lithium-ion battery as an energy source, although it seems logical to use a disposable battery. Why battery? Apparently, because in 2021 the need for batteries is much higher than for batteries, which means that their price is lower. Over the past decade, the development of polymer batteries has made it possible to manufacture them of any shape, including flat ones. Most batteries are round, coin-cell batteries are very rare and very expensive. By the labeling, one can judge that batteries and cigarettes are produced by the same company.

Microphone

A conventional microphone is used to activate the vaporizer. This is a very nice solution: microphones: very cheap, simple and reliable. The channel through which the air passes, apparently, is made in such a way that the air whistles at different frequencies when moving in different directions, so there is no false triggering. Also, there is no false alarm due to external noise.